Information card for entry 9002183

Structure parameters

• Mineral name: Heulandite
• Formula: Al0.33 H28.74 Na0.39 O25.14 Si9
• Calculated formula: Al0.33 H14.28 Na0.39 O25.14 Si9
• Title of publication: Partially dealuminated heulandite produced by acidic REECl3 solution: A chemical and single-crystal X-ray study Sample: REE293 Tetrahedral sites were refined as Si
• Authors of publication: Wust, T.; Stolz, J.; Armbruster, T.
• Journal of publication: American Mineralogist
• Year of publication: 1999
• Journal volume: 84
• Pages of publication: 1126 - 1134
• a: 17.649 Å
• b: 17.98 Å
• c: 7.412 Å
• α: 90°
• β: 116.22°
• γ: 90°
• Cell volume: 2110.03 ų
• Number of distinct elements: 5
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No